
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * For geo and graph.
 */
export function updateViewOnPan(controllerHost, dx, dy) {
	var target = controllerHost.target;
	target.x += dx;
	target.y += dy;
	target.dirty();
}
/**
 * For geo and graph.
 */

export function updateViewOnZoom(controllerHost, zoomDelta, zoomX, zoomY) {
	var target = controllerHost.target;
	var zoomLimit = controllerHost.zoomLimit;
	var newZoom = controllerHost.zoom = controllerHost.zoom || 1;
	newZoom *= zoomDelta;

	if (zoomLimit) {
		var zoomMin = zoomLimit.min || 0;
		var zoomMax = zoomLimit.max || Infinity;
		newZoom = Math.max(Math.min(zoomMax, newZoom), zoomMin);
	}

	var zoomScale = newZoom / controllerHost.zoom;
	controllerHost.zoom = newZoom; // Keep the mouse center when scaling

	target.x -= (zoomX - target.x) * (zoomScale - 1);
	target.y -= (zoomY - target.y) * (zoomScale - 1);
	target.scaleX *= zoomScale;
	target.scaleY *= zoomScale;
	target.dirty();
}